Home / 76,012.96-114,017.52-20,607.52

Finding the Fourth Proportional to 76,012.96, 114,017.52 and 20,607.52

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Solution

The fourth proportional to 76,012.96, 114,017.52 and 20,607.52 is: 30,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,012.96 : 114,017.52 = 20,607.52 : x
  2. Step 2: Convert to fraction form
    76,012.96/114,017.52 = 20,607.52/x
  3. Step 3: Cross multiply
    76,012.96x = 114,017.52 × 20,607.52
  4. Step 4: Simplify right side
    76,012.96x = 2,349,618,323.75
  5. Step 5: Solve for x
    x = 2,349,618,323.75/76,012.96
  6. Step 6: Final answer
    x = 30,910.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.